Portable liquid flask



FIG. 1 is a top, side and front perspective view of a portable liquidflask showing my new design;

FIG. 2 is a front elevation view, the rear elevation being a mirrorimage thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a bottom, side and rear perspective view thereof.

The ornamental design for a portable liquid flask, as shown anddescribed.